Home / 31,600.64-47,414.80-14,972.54

Finding the Fourth Proportional to 31,600.64, 47,414.80 and 14,972.54

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Solution

The fourth proportional to 31,600.64, 47,414.80 and 14,972.54 is: 22,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,600.64 : 47,414.80 = 14,972.54 : x
  2. Step 2: Convert to fraction form
    31,600.64/47,414.80 = 14,972.54/x
  3. Step 3: Cross multiply
    31,600.64x = 47,414.80 × 14,972.54
  4. Step 4: Simplify right side
    31,600.64x = 709,919,989.59
  5. Step 5: Solve for x
    x = 709,919,989.59/31,600.64
  6. Step 6: Final answer
    x = 22,465.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.